Intel 81342 Developer's Manual page 860

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T a b l e 5 4 4 . I M U T e s t a n d S e t R e g i s t e r s — I M U T S R [ 0 : 5 1 1 ]
®
I n t e l X S c a l e
I M U T S R 0
+ 0 B 0 0 H
t h r o u g h
t h r o u g h
I M U T S R 5 1 1
+ 0 C F F H
B i t
D e f a u l t
R e s e r v e d .
0 7 : 0 2
0 0 H
I n t e l X S c a l e
i s a r e a d - o n l y b i t f o r t h e o t h e r c o r e ( I n t e l X S c a l e
0 1
0
p r o c e s s o r 1 r e a d s t h i s r e g i s t e r a n d b o t h b i t 0 a n d b i t 1 a r e c l e a r e d . T h i s b i t i s c l e a r e d w h e n I n t e l
2
X S c a l e
N o t e :
I n t e l X S c a l e
i s a r e a d - o n l y b i t f o r t h e o t h e r c o r e ( I n t e l X S c a l e
0 0
0
p r o c e s s o r 0 r e a d s t h i s r e g i s t e r a n d b o t h b i t 0 a n d b i t 1 a r e c l e a r e d . T h i s b i t i s c l e a r e d w h e n I n t e l
2
X S c a l e
N o t e :
®
I n t e l
8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
8 6 0
7
Core 0
rv
rv
rv
Attributes
Core 1
rv
rv
rv
Attributes
p r o c e s s o r i n t e r n a l b u s a d d r e s s o f f s e t
®
1 b i t
p r o c e s s o r
— T h i s b i t i s o n l y a f f e c t e d b y I n t e l X S c a l e
®
p r o c e s s o r 1 w r i t e s a 0 2 t o t h i s b i t . W r i t i n g a 1 2 d o e s n o t h a v e a n y e f f e c t t o t h i s b i t .
B o t h b i t s 1 a n d 0 c a n n o t b e 1 1 2 a t a n y g i v e n t i m e .
®
0 b i t
p r o c e s s o r
— T h i s b i t i s o n l y a f f e c t e d b y I n t e l X S c a l e
®
p r o c e s s o r 0 w r i t e s a 0 2 t o t h i s b i t . W r i t i n g a 1 b d o e s n o t h a v e a n y e f f e c t t o t h i s b i t .
B o t h b i t s 1 a n d 0 c a n n o t b e 1 1 b a t a n y g i v e n t i m e .
®
I n t e l
8 1 3 4 1 a n d 8 1 3 4 2 — I n t e r - P r o c e s s o r M e s s a g i n g U n i t
4
3
0
rv
rv
rv
ro
rw
rv
rv
rv
rw
ro
A t t r i b u t e L e g e n d :
R V = R e s e r v e d
P R = P r e s e r v e d
R S = R e a d / S e t
D e s c r i p t i o n
®
p r o c e s s o r 0 ) . T h i s b i t i s s e t w h e n I n t e l X S c a l e
®
p r o c e s s o r 1 ) . T h i s b i t i s s e t w h e n I n t e l X S c a l e
R W = R e a d / W r i t e
R C = R e a d C l e a r
R O = R e a d O n l y
N A = N o t A c c e s s i b l e
®
p r o c e s s o r 1 t r a n s a c t i o n s , a n d
®
®
p r o c e s s o r 0 t r a n s a c t i o n s , a n d
®
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S

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